Home / 98,624.98-147,831.36-42,491.53

Finding the Fourth Proportional to 98,624.98, 147,831.36 and 42,491.53

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Solution

The fourth proportional to 98,624.98, 147,831.36 and 42,491.53 is: 63,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,624.98 : 147,831.36 = 42,491.53 : x
  2. Step 2: Convert to fraction form
    98,624.98/147,831.36 = 42,491.53/x
  3. Step 3: Cross multiply
    98,624.98x = 147,831.36 × 42,491.53
  4. Step 4: Simplify right side
    98,624.98x = 6,281,580,668.38
  5. Step 5: Solve for x
    x = 6,281,580,668.38/98,624.98
  6. Step 6: Final answer
    x = 63,691.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.